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Product Detailed Parameters
- Description：IC LED DRVR LIN PWM 200MA 8SOIC
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：-
- Internal Switch(s)：Yes
- Number of Outputs：4
- Voltage - Supply (Min)：6V
- Voltage - Supply (Max)：50V
- Voltage - Output：-
- Current - Output / Channel：200mA
- Frequency：-
- Dimming：PWM
- Applications：-
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Supplier Device Package：8-SOIC-EP
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The A6261KLJTR-T-1 is a linear LED driver IC from Allegro MicroSystems, designed for automotive applications. It features four independent output channels with an internal switch topology. The device supports PWM dimming and operates within a supply voltage range of 6V to 50V. Each channel provides a maximum output current of 200mA. It is housed in an 8-SOIC package with an exposed pad (EP) and is qualified to AEC-Q100 standards. The operational temperature range extends from -40°C to +125°C.
Feature Summary
- Four-channel linear constant current regulation
- PWM dimming capability for brightness control
- AEC-Q100 automotive grade qualification
- Integrated internal switching element
Applications
- Automotive exterior lighting systems
- LED headlamp modules
- Fog lamp drivers
- Daytime running light circuits
Procurement Notes
Verify the specific suffix 'T-1' against official Allegro MicroSystems documentation to confirm pinout and electrical specifications match your design requirements. Ensure the 8-SOIC-EP package footprint aligns with your PCB layout. Confirm AEC-Q100 compliance is required for your target automotive application before finalizing procurement.
Selection Notes
Select this component when a multi-channel solution is needed for automotive LED arrays. The linear topology suits applications where efficiency is secondary to simplicity and cost. Verify that the 200mA per channel limit meets the LED string requirements. Consider thermal management due to the linear regulation method at higher input voltages.
Part Context
This part belongs to the A6261 series of LED drivers. Variants like A6261KLPTR-T offer similar functionality but differ in package type, such as TSSOP-16. The KLJ suffix indicates the automotive grade and 8-SOIC packaging. This series is distinct from buck-type drivers like the A6260 or high-current models like the A6266.
Replacement Considerations
Direct substitutes include other A6261 variants with compatible packages, such as A6261KLPTR-T if pin compatibility allows. Cross-reference with Allegro's obsolescence notices. No alternative part numbers are explicitly confirmed as direct replacements in the provided source data.
